Is lubricant oil flammable?

Is lubricant oil flammable? Lubricating oils are flammable, but they are not volatile, so are not easy to ignite unless heated. Is lube oil flammable or combustible? Most lubricating greases contain petroleum-derived mineral oil or hydrocarbon-based synthetic fluid as the lubricating fluid. Those materials are generally considered to be combustible (flash point at or above … Continue reading Is lubricant oil flammable?